Subtract 84/10 from 30/2
1st number: 15 0/2, 2nd number: 8 4/10
30/2 - 84/10 is 33/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
30/2 = 30 × 5/2 × 5 = 150/10 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
84/10 = 84 × 1/10 × 1 = 84/10 - Subtract the two like fractions:
150/10 - 84/10 = 150 - 84/10 = 66/10 - After reducing the fraction, the answer is 33/5
- In mixed form: 63/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/2-84/10 30/4-84/10 30/2-84/20 90/2-84/10 30/6-84/10 30/2-84/30 30/10-84/10 30/2-84/50 30/14-84/10 30/2-84/70